Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10456716 | Liquid filtering device | Markus Kolczyk, Daniel Lucas, Sven Epli, Herbert Jainek, Ralf Blum +1 more | 2019-10-29 |
| 8920649 | Filter for an internal combustion engine and filter cartridge for the oil filter | — | 2014-12-30 |
| 8827084 | Filter element of a liquid filter and a liquid filter | Yihao Zhu, Bernd Nageldinger, Holger Schwarz, Norbert Strassenberger | 2014-09-09 |
| 7846329 | Liquid filter | Helmut Luka, Dieter Schreckenberger, Markus Kolczyk | 2010-12-07 |
| 7553409 | Replaceable liquid filter | Helmut Luka, Markus Kolczyk, Dieter Schreckenberger | 2009-06-30 |